CN220749068U - High leakproofness poppet valve structure - Google Patents
High leakproofness poppet valve structure Download PDFInfo
- Publication number
- CN220749068U CN220749068U CN202321500565.7U CN202321500565U CN220749068U CN 220749068 U CN220749068 U CN 220749068U CN 202321500565 U CN202321500565 U CN 202321500565U CN 220749068 U CN220749068 U CN 220749068U
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- valve body
- valve
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- cylinder
- driving cylinder
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- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 2
- 238000000151 deposition Methods 0.000 claims 1
- 239000012530 fluid Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 108010062616 filensin Proteins 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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- Details Of Valves (AREA)
Abstract
The utility model discloses a high-tightness poppet valve structure, which comprises a valve body serving as a main body, wherein an input pipeline for inputting gas is arranged at the left end of the valve body, an output pipeline for outputting gas is arranged at the lower end of the valve body, a cavity for storing gas is arranged in the valve body, a valve plate for adjusting the flow of the gas leaving the cavity from the output pipeline is arranged in the cavity, a driving cylinder for driving the valve plate is arranged above the valve body, a cylinder frame for installing the driving cylinder is erected between the driving cylinder and the upper end of the valve body, and a buffer device for protecting the cylinder frame is arranged on the cylinder frame. The utility model solves the problem of shorter service life of the traditional lift valve in the prior art. The utility model has the advantages of simple structure, long service life, high stability and the like.
Description
Technical Field
The utility model relates to the field of valve structures, in particular to a high-tightness lifting valve structure.
Background
Currently, chinese patent net discloses a pneumatic fluid pump apparatus, publication No. CN111263860a, having: a pump housing for accumulating liquid to be pumped; and a valve assembly in communication with liquid entering through the inlet end of the pump housing and collecting within the pump housing. The valve assembly includes a housing assembly and a poppet valve assembly disposed within the housing assembly to act as a one-way check valve when the accumulated liquid is pumped from the pump housing. The poppet valve assembly includes a poppet valve member including a relief region that helps to depressurize an interior region of the valve assembly to facilitate rapid movement of the poppet valve member from an open position to a closed position when only a pressurized fluid flow for draining accumulated liquid is flowing through the poppet valve member.
The pneumatic fluid pump device has the advantage of high lifting speed, but a device for protecting the valve body is not arranged between the cylinder and the valve body of the device, and when the pneumatic fluid pump device works, a large amount of gas is introduced into the cylinder, and at the moment, the mass of the cylinder is increased, so that the pressure between the cylinder and the valve body is increased, and the valve body is easily damaged when the pressure is large.
Disclosure of Invention
The present utility model is directed to overcoming the problem of the prior art of having a relatively short service life of conventional poppet valves and now providing a high tightness poppet valve structure having a relatively long service life.
The utility model relates to a high-tightness poppet valve structure, which comprises a valve body serving as a main body, wherein an input pipeline for inputting gas is arranged at the left end of the valve body, an output pipeline for outputting gas is arranged at the lower end of the valve body, a cavity for storing gas is arranged in the valve body, a valve plate for adjusting the flow rate of the gas leaving the cavity from the output pipeline is arranged in the cavity, a driving cylinder for driving the valve plate is arranged above the valve body, a cylinder frame for installing the driving cylinder is erected between the driving cylinder and the upper end of the valve body, and a buffer device for protecting the cylinder frame is arranged on the cylinder frame.
The driving cylinder can be of the following type: CP95 is a cylinder.
Before working, the utility model is installed at a required working position. When the valve plate is positioned below the input pipeline, the gas in the cavity is blocked by the valve plate and cannot leave the valve body from the output pipeline, namely, the gas is blocked; when the valve plate is positioned in the pipe orifice range of the input pipeline, only gas positioned below the valve plate in the cavity can leave the valve body from the output pipeline, and the flow rate of the gas passing through the valve body can be reduced by adjusting the descending displacement of the valve plate.
When the driving cylinder works, a large amount of gas is introduced into the cylinder, the mass of the driving cylinder is increased at the moment, so that the pressure between the driving cylinder and the cylinder frame is increased, and when the pressure is large, the buffer device can absorb part of the pressure to protect the cylinder frame, so that the service life of the utility model is prolonged.
Preferably, the center of the upper end of the cavity is provided with an upper through hole for inserting a piston rod of a driving cylinder, the cylinder frame is provided with a communication hole which longitudinally penetrates through the cylinder frame and is communicated with the upper through hole, the lower end of the piston rod of the driving cylinder is connected with the center of the upper end face of the valve plate through a set screw, and the lower end of the driving cylinder is connected with the cylinder frame through the set screw.
Preferably, the size of the valve plate is matched with the cross section of the cavity, and the outer edge of the valve plate is sleeved with a sealing ring for improving the sealing performance of the cavity.
Preferably, the buffer device comprises buffer grooves formed in the left side and the right side of the upper end of the cylinder frame, fixing plates are welded on the left side and the right side of the bottom of the buffer grooves, the buffer plates are arranged above the fixing plates, and long pin rods are arranged between the fixing plates and the buffer plates.
Preferably, the left end and the right end of the long pin rod are respectively provided with a limiting block, the center of the limiting block is provided with a pin hole for installing the long pin rod, the upper part of the limiting block is welded with the lower end face of the buffer plate, the periphery of the long pin rod is sleeved with a spring, the left end and the right end of the spring are respectively welded with a compression ring, the side ends of the compression rings are welded with push rods, the other ends of the push rods are hinged with rocker arms, the other ends of the rocker arms are hinged with one end of a hinge block, and the other ends of the hinge block are welded with the side edge of the fixed plate.
When the driving cylinder works, a large amount of gas is introduced into the driving cylinder, the mass of the driving cylinder is increased, so that the pressure between the driving cylinder and the cylinder frame is increased, when the pressure is large, the driving cylinder can press the buffer plate first, the buffer plate is a rubber plate with good elasticity, the buffer plate can slightly translate under the action of the pressure, the rocker arm can drive the push rod and the compression ring to squeeze the spring in the translating process, and part of the pressure is absorbed through the deformation of the spring, so that the cylinder frame is protected, and the service life of the hydraulic cylinder is prolonged.
The utility model has the following beneficial effects: simple structure, long service life and high stability.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic longitudinal section structure of the present utility model.
Fig. 3 is a top view of the present utility model.
Fig. 4 is a schematic structural view of a buffering device according to the present utility model.
The valve comprises a valve body 1, an input pipeline 2, an output pipeline 3, a cavity 4, a valve plate 5, a driving cylinder 6, a cylinder frame 7, a buffer groove 8, a fixed plate 9, a buffer plate 10, a long pin 11, a limiting block 12, a spring 13, a compression ring 14, a push rod 15, a rocker arm 16 and a hinge block 17.
Detailed Description
The technical scheme of the utility model is further specifically described through embodiments and with reference to the accompanying drawings.
Examples: the utility model is further described according to fig. 1, 2, 3 and 4, and the high-tightness poppet valve structure of the present embodiment includes a valve body 1 as a main body, an input pipeline 2 for inputting gas is provided at the left end of the valve body 1, an output pipeline 3 for outputting gas is provided at the lower end of the valve body 1, a cavity 4 for storing gas is provided in the valve body 1, a valve plate 5 for adjusting the flow of gas leaving the cavity 4 from the output pipeline 3 is provided in the cavity 4, a driving cylinder 6 for driving the valve plate 5 is provided above the valve body 1, a cylinder frame 7 for installing the driving cylinder 6 is provided between the driving cylinder 6 and the upper end of the valve body 1, and a buffer device for protecting the cylinder frame 7 is provided on the cylinder frame 7.
The center of the upper end of the cavity 4 is provided with an upper through hole for plugging a piston rod of the driving cylinder 6, the cylinder frame 7 is provided with a communication hole which longitudinally penetrates through the cylinder frame 7 and is communicated with the upper through hole, the lower end of the piston rod of the driving cylinder 6 is connected with the center of the upper end face of the valve plate 5 through a set screw, and the lower end of the driving cylinder 6 is connected with the cylinder frame 7 through the set screw.
The size of the valve plate 5 is matched with the cross section of the cavity 4, and a sealing ring for improving the tightness of the cavity 4 is sleeved on the outer edge of the valve plate 5.
The buffer device comprises buffer grooves 8 formed in the left side and the right side of the upper end of the cylinder frame 7, fixing plates 9 are welded on the left side and the right side of the bottom of the buffer grooves 8, buffer plates 10 are arranged above the fixing plates 9, and long pin rods 11 are arranged between the fixing plates 9 and the buffer plates 10.
The long pin rod 11 about both ends be equipped with stopper 12 respectively, stopper 12 center be equipped with the pinhole that is used for installing long pin rod 11, stopper 12 upper portion and buffer board 10 lower terminal surface weld mutually, long pin rod 11 peripheral cover have spring 13, spring 13 about both ends weld respectively press ring 14, press ring 14's side welding have push rod 15, the push rod 15 other end articulated have rocking arm 16, rocking arm 16's the other end articulated mutually with hinge piece 17 one end, the other end of hinge piece 17 welded mutually with fixed plate 9 side.
The above embodiments are merely examples of the present utility model, but the present utility model is not limited thereto, and any changes or modifications made by those skilled in the art are included in the scope of the present utility model.
Claims (3)
1. The utility model provides a high leakproofness poppet valve structure, includes valve body (1) as the main part, characterized by, valve body (1) left end be equipped with and be used for the input pipeline (2) of input gas, valve body (1) lower extreme be equipped with and be used for the output pipeline (3) of output gas, valve body (1) in be equipped with in be used for depositing gaseous cavity (4), cavity (4) in be equipped with valve plate (5) that are used for adjusting the gas flow who leaves cavity (4) from output pipeline (3), valve body (1) top be equipped with driving cylinder (6) that are used for driving valve plate (5), driving cylinder (6) and valve body (1) upper end erect between be used for installing driving cylinder (6) cylinder frame (7), cylinder frame (7) on be equipped with and be used for protecting cylinder frame (7) buffer device, buffer tank (8) in cylinder frame (7) upper end left and right sides, buffer tank (8) bottom left and right sides welding have fixed plate (9), fixed plate (9) are equipped with stopper (10) on the top, two sides are equipped with between stopper (11) length respectively, the limiting block is characterized in that a pin hole for installing a long pin rod (11) is formed in the center of the limiting block (12), the upper portion of the limiting block (12) is welded with the lower end face of the buffer plate (10), springs (13) are sleeved on the periphery of the long pin rod (11), compression rings (14) are welded at the left end and the right end of the springs (13) respectively, push rods (15) are welded at the side ends of the compression rings (14), rocker arms (16) are hinged to the other ends of the push rods (15), the other ends of the rocker arms (16) are hinged to one end of the hinge block (17), and the other ends of the hinge block (17) are welded to the side edge of the fixed plate (9).
2. The high-tightness poppet valve structure according to claim 1, wherein an upper through hole for inserting a piston rod of the driving cylinder (6) is formed in the center of the upper end of the cavity (4), a communication hole which longitudinally penetrates through the cylinder frame (7) and is communicated with the upper through hole is formed in the cylinder frame (7), the lower end of the piston rod of the driving cylinder (6) is connected with the center of the upper end face of the valve plate (5) through a set screw, and the lower end of the driving cylinder (6) is connected with the cylinder frame (7) through the set screw.
3. The high-tightness poppet valve structure according to claim 1, wherein the size of the valve plate (5) is matched with the cross section of the cavity (4), and a sealing ring for improving the tightness of the cavity (4) is sleeved on the outer edge of the valve plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321500565.7U CN220749068U (en) | 2023-06-13 | 2023-06-13 | High leakproofness poppet valve structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321500565.7U CN220749068U (en) | 2023-06-13 | 2023-06-13 | High leakproofness poppet valve structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220749068U true CN220749068U (en) | 2024-04-09 |
Family
ID=90556897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321500565.7U Active CN220749068U (en) | 2023-06-13 | 2023-06-13 | High leakproofness poppet valve structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220749068U (en) |
-
2023
- 2023-06-13 CN CN202321500565.7U patent/CN220749068U/en active Active
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